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-init: suggest xchacha if we don't have AES accel

Example on Raspberry Pi 4:

$ ./gocryptfs/gocryptfs -init $(mktemp -d)
Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance.
Choose a password for protecting your files.
Password:

https://github.com/rfjakob/gocryptfs/issues/607
master
Jakob Unterwurzacher 9 months ago
parent
commit
e8e3598284
  1. 6
      init_dir.go

6
init_dir.go

@ -14,6 +14,7 @@ import (
"github.com/rfjakob/gocryptfs/v2/internal/fido2"
"github.com/rfjakob/gocryptfs/v2/internal/nametransform"
"github.com/rfjakob/gocryptfs/v2/internal/readpassword"
"github.com/rfjakob/gocryptfs/v2/internal/stupidgcm"
"github.com/rfjakob/gocryptfs/v2/internal/syscallcompat"
"github.com/rfjakob/gocryptfs/v2/internal/tlog"
)
@ -67,6 +68,11 @@ func initDir(args *argContainer) {
tlog.Fatal.Printf("Invalid cipherdir: %v", err)
os.Exit(exitcodes.CipherDir)
}
if !args.xchacha && !stupidgcm.CpuHasAES() {
tlog.Info.Printf(tlog.ColorYellow +
"Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance." +
tlog.ColorReset)
}
}
// Choose password for config file
if len(args.extpass) == 0 && args.fido2 == "" {

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